সব প্রশ্নে ফিরে যান
Math
If x is an odd integer and y is an even integer, which of the following statements is (are) always true? 1. X+Y is odd. 2. XY is odd. 3. 2X+Y is even.
A) 1 only
B) 2 and 3 only
C) 1 and 3 only
সঠিক উত্তর
D) 3 only